一、第一次需要在IntelliJ IDEA中打包Maven项目，弄了半天，才搞好，记录一下。

二、打包步骤

1. 在IntelliJ IDEA主界面的右侧点击Maven Project：

2. 在打开的页面中点击lifecycle：

3. 然后双击package：

4. 然后看控制台的输出，成功的话会有BUILD SUCCESS字样出现的，否则就是有问题打包失败。

"C:\Program Files\Java\jdk1.8.0_231\bin\java.exe" -Dmaven.multiModuleProjectDirectory=F:\WorkSpace\workspaces-ideaIU-2018.2.3\data-source -Dmaven.home=F:\IDE\ideaIU-2020.2.win\plugins\maven\lib\maven3 -Dclassworlds.conf=F:\IDE\ideaIU-2020.2.win\plugins\maven\lib\maven3\bin\m2.conf -javaagent:D:\Java\ideaIU-2018.2.3.win\lib\idea_rt.jar=53890:D:\Java\ideaIU-2018.2.3.win\bin -Dfile.encoding=UTF-8 -classpath F:\IDE\ideaIU-2020.2.win\plugins\maven\lib\maven3\boot\plexus-classworlds-2.6.0.jar;F:\IDE\ideaIU-2020.2.win\plugins\maven\lib\maven3\boot\plexus-classworlds.license org.codehaus.classworlds.Launcher -Didea.version=2018.2.3 package
[INFO] Scanning for projects...
[INFO] 
[INFO] --------------------< com.pccw.data.resource:data >---------------------
[INFO] Building data-resource resource
[INFO] --------------------------------[ jar ]---------------------------------
[INFO] 
[INFO] --- maven-resources-plugin:3.1.0:resources (default-resources) @ data ---
[INFO] Using 'UTF-8' encoding to copy filtered resources.
[INFO] Copying 4 resources
[INFO] Copying 3 resources
[INFO] 
[INFO] --- maven-compiler-plugin:3.8.1:compile (default-compile) @ data ---
[INFO] Changes detected - recompiling the module!
[INFO] Compiling 30 source files to F:\WorkSpace\workspaces-ideaIU-2018.2.3\data-source\target\classes
[INFO] 
[INFO] --- maven-resources-plugin:3.1.0:testResources (default-testResources) @ data ---
[INFO] Using 'UTF-8' encoding to copy filtered resources.
[INFO] skip non existing resourceDirectory F:\WorkSpace\workspaces-ideaIU-2018.2.3\data-source\src\test\resources
[INFO] 
[INFO] --- maven-compiler-plugin:3.8.1:testCompile (default-testCompile) @ data ---
[INFO] No sources to compile
[INFO] 
[INFO] --- maven-surefire-plugin:2.22.2:test (default-test) @ data ---
[INFO] 
[INFO] -------------------------------------------------------
[INFO]  T E S T S
[INFO] -------------------------------------------------------
[INFO] 
[INFO] Results:
[INFO] 
[INFO] Tests run: 0, Failures: 0, Errors: 0, Skipped: 0
[INFO] 
[INFO] 
[INFO] --- maven-jar-plugin:3.1.2:jar (default-jar) @ data ---
[INFO] Building jar: F:\WorkSpace\workspaces-ideaIU-2018.2.3\data-source\target\data-resource.jar
[INFO] 
[INFO] --- spring-boot-maven-plugin:2.2.5.RELEASE:repackage (repackage) @ data ---
[INFO] Replacing main artifact with repackaged archive
[INFO] ------------------------------------------------------------------------
[INFO] BUILD SUCCESS
[INFO] ------------------------------------------------------------------------
[INFO] Total time:  11.793 s
[INFO] Finished at: 2020-09-03T15:54:35+08:00
[INFO] ------------------------------------------------------------------------Process finished with exit code 0

5. 打包后的jar包在跟目录的target文件夹里面

三、总结：如果有疑问可以直接留言评论，如果觉得对你有帮助，可以小小的赞赏一杯奶茶钱，谢谢！！